THE WALTER WAUKESHA B3073-400129 IS A PRECISION-ENGINEERED STEPPED CHAMFERING INSERT COOLANT DRILL MILL DESIGNED FOR HIGH-PERFORMANCE TOOLING APPLICATIONS. IT FEATURES AN OVERALL LENGTH (OAL) OF 4.5 INCHES AND A CUTTING END DIAMETER OF 23MM, PROVIDING EFFICIENT MATERIAL REMOVAL AND PRECISE CHAMFERING CAPABILITIES. THE TOOL IS EQUIPPED WITH TWO STRAIGHT FLUTES, EACH MEASURING 2.5 INCHES, WHICH FACILITATE OPTIMAL CHIP EVACUATION AND ENHANCE CUTTING PERFORMANCE. THE SHANK DIAMETER IS 27.6MM, ENSURING A SECURE FIT IN COMPATIBLE TOOL HOLDERS, WHILE THE SHANK LENGTH IS 1.25 INCHES, CONTRIBUTING TO THE TOOL'S STABILITY DURING OPERATION. THE USABLE LENGTH OF 1.89 INCHES ALLOWS FOR EFFECTIVE ENGAGEMENT WITH THE WORKPIECE, MAKING IT SUITABLE FOR A VARIETY OF MACHINING TASKS. THIS DRILL MILL IS DESIGNED TO ACCOMMODATE COOLANT FLOW, WHICH AIDS IN TEMPERATURE CONTROL AND PROLONGS TOOL LIFE DURING DEMANDING OPERATIONS.